Bullet Sensors and Systems Journal, No. 5, May 2008 (Contents and Abstracts)

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Orlov A. G. A hyperspectral optical and NIR sensor

 

The paper discusses the design and calculation of an optical and NIR aircraft hyperspectrometer with spectrum divider on a glass prism. The performance parameters calculation procedure is outlined, its design is described, and the results of bench tests and air photography are presented. The procedure of image distortion correction is included.

 

 

Degtyarev S. V., Trufanov M.I., Korostelev S.I., Medvedev A.V. A method for trip computerís symbolic information recognition

 

A method for trip computerís symbolic information recognition for its automatic testing of its availability is presented. The method is underlain by the authorsí engineering solutions certified by RF patents. Experimental investigations using physical and simulation models are undertaken which confirm the methodís realizability and the validity of its theoretical background.

 

 

Zuev V. D., Krivulin N. P., Murashkina T. I. A fiber-optic displacement transducer with a spherical lens

 

The design of a fiber-optic displacement transducer with a spherical lens moving under the exposure of the measurand is proposed.

 

 

Sokolov G. A., Syagaev N. A., Tugushev K. R. A non-contact flowmeasuring system for pneumatically transported loose material

 

A system measuring loose materialís flowrate changes by thermal method under variable rate and volumetric content of carrier gas is described.

 

 

Budenkov G. A., Ivannikv V. P., Ivannikova A. V. Echo-pulse method for estimating the load-carrying capacity of interference-fit joints.

 

The ultrasonic flaw detection echo-pulse method description and the ground for using of this method as a means of technical diagnostics of parts and constructions are given. The operation process of use of the method for interference-fit joint deflected mode determination is stated. Findings analysis leads to a conclusion which says of applicability and effectiveness of the method.

 

 

Zotov V .D. Z-thermistors in climate control systems

 

The circuits with Z-thermistors enabling simple and reliable operation of various-purpose climate control systems are examined.

 

 

Zinin Yu. M., Lobanov A. V. A control system for an inverter-induction unit

 

The control technique for an inverter-induction metal melting unit is outlined as well as a system for its implementation. Industrial application results are included.

 

 

Misevich P. V. A monitoring system based on mobile smart sensors

 

The application of 2.5 G GPRS application for real-time data communication from mobile smart sensors is described.

 

 

Chaplyghin E. I., Diachkov E. A., Goryunov V. A., Korzin V. V. Feedbacks organization in pneumatic control systems

 

Some ways of organizing feedbacks with actuators are discussed, their merits and drawbacks are analyzed. The schemes enabling the reliable control of reciprocal pneumatic mechanisms operation are proposed.

 

 

Mefedova J. A., Vlasov V. V., Vlasov A. V. Magnetic liquids application for electric signals conversion into hydraulic ones

 

A method for introducing an electrical signal into a hydraulic system using magnetic liquids is discussed with a case study of a electrohydraulic vortex controller.

 

 

Tashmatov Kh. K., Azimov R. K. Float-type flowmeters for open-channel irrigation systems

 

The design of a float-type flowmeter for open-channel irrigation systems is proposed and its key performance data are outlined.

 

 

Nieva P. M. New trends on MEMS sensor technology for harsh environment applications

 

MEMS and NEMS sensor systems that can operate in the presence of high temperatures, corrosive media, and/or high radiation hold great promise for harsh environment applications. They would reduce weight, improve machine reliability, and reduce cost in strategic market sectors such as automotive, avionics, oil well logging, and nuclear power. The paper reviews the recent advances in harsh-environment MEMS and NEMS sensors focusing on materials and devices. Special emphasis is put on high-temperature operation. Wide-bandgap semiconductor materials for high temperature applications are discussed from the device point of view. Micro-opto-mechanical systems (MOEMS) are presented as a new trend for high temperature applications. As an example of a harsh environment MOEMS sensor, a vibration sensor is presented.

 

 

Knorring V. G. Measurement in its historical evolution. Part 2. From ancient Greece to early medieval Europe: theory and philosophy of measurements

 

The third paper of the series dedicated to the history of measurement discusses the following topics: theoretical modeling of the measurement process by ancient Greeks, theories of some measuring devices, evaluation of measurement as a universal cognition tool, dissemination of measurement ideas to other areas of life, Aristotelian interpretation of measurement, especially with reference to time and motion and its role in the early Christian world.

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